SIP Trunks are the new technology of choice for UK businesses that have outgrown their outdated ISDN 30 which is due to be phased out by 2025.
The benefits of switching to SIP trunks are Cost-effectiveness compared to ISDN, Scalability, Reliability, Flexibility and Number Portability.
NB Data delivers cutting edge services, through our SIP Providers, that have been developed to answer the need for a flexible alternative to the already well-established and ever-growing SIP voice market. Compatible with all major PBX manufacturers (Mitel, Panasonic, NEC and more), Any business with a PBX can switch to our SIP trunking service and immediately benefit from a more flexible, less expensive and more resilient phone service.
Call NB Data on 0161 7672540 where we can tailor a full SIP solution to your requirements, whatever the size of your business. Alternatively, complete the enquiry form.
SIP versus ISDN
ISDN 30 lines dropped to 2.6million down from 3.2m 2013/2015
SIP line take up grew from 1million to 1.9million 2013/2105
SIP cheaper lines & call charges than ISDN
Free internal calls with SIP
SIP offers built in disaster recovery whilst ISDN needs a redundant back up circuit
ISDN numbers are geographically dependant whereas SIP offers as many numbers as required with no restrictions
SIP is compatible with most PBX’s and is quickly set up whereas ISDN may take up to 6 weeks